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Fan coil actuator 2-gang
Fan coil actuator 2-gang
Art.-No.: FCA 2 REGHE
Operating instructions
1 Safety instructions
Electrical equipment may only be installed and fitted by electrically skilled persons.
Failure to observe the instructions may cause damage to the device and result in fire and
other hazards.
Danger of electric shock. Always disconnect before carrying out work on the devise or
load. At the same time, take into account all circuit breakers that supply dangerous
voltage to the device or load.
Danger of electric shock. Device is not suitable for disconnection from supply voltage.
Danger of electric shock on the SELV/PELV installation. Not suitable for switching SELV/
PELV voltages.
Do not connect any three-phase motors. Device can be damaged.
These instructions are an integral part of the product, and must remain with the end
customer.
2 Device components
Figure 1: Device components front view
(1) Button field for manual control
(2) Programming button and LEDs
(3) KNX connection
(4) Connection for mains supply
(5) Status LEDs for outputs
(6) Connection of fan coil unit
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3 Function
System information
This device is a product of the KNX system and complies with the KNX directives. Detailed
technical knowledge obtained in KNX training courses is a prerequisite to proper
understanding.
The function of this device depends upon the software. Detailed information on loadable
software and attainable functionality as well as the software itself can be obtained from the
manufacturer´s product database.
Planning, installation and commissioning of the device are carried out with the aid of KNX-
certified software. Full functionality with KNX commissioning software version ETS3.0d
onwards.
An updated version of the product database, technical descriptions and conversion programs
and other auxiliary programs are available on our Internet website.
Intended use
- Switching of electrical fan coil units
- Switching of electrical loads AC 230 V, e.g. fans
- Installation in distribution boxes on DIN rail according to EN 60715
Product characteristics
- Connection of one fan coil unit with up to 6 fan levels or connection of two fan coil units
with up to 3 fan levels each
- Outputs can be operated manually, construction site mode
- Operating modes for heating, cooling or combined heating/cooling operation
- 2-pipe or 4-pipe operation
- Individual or hierarchical switching of fan levels
- Feedback
- Output indication
- Disabling function for each channel
4 Operation
Operating elements
Figure 2: Operating elements – Overview
(5) Status LEDs for outputs
(7) Button c – Manual control
(8) LED c – On: Continuous manual mode active
(9) Button ON/n – Switch on
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(10) LED ON/n – Switched on, Manual operation
(11) Button OFF/o – Switch off
(12) LED OFF/o – Switched off, Manual operation
(13) Button ALL OFF – All outputs off
Status indication
The status LEDs A1...A8 (5) indicate the states of the outputs.
- Off: Output switched off
- On: Output switched on
- Flashes slowly: Output in manual mode
- Flashes quickly: Output disabled via continuous manual mode
Operating modes
- Bus operation: Operation via push-button sensors or other bus devices
- Short-term manual operation: Manual operation locally with button field, automatic return to
bus operation.
- Continuous manual mode: Exclusively manual operation on the device
i No bus operation is possible in manual mode.
i No manual mode is possible in case of bus failure.
i After a bus failure and restoration the device switches to bus operation.
i After a power failure and restoration the device switches to bus operation.
i The manual mode can be disabled in ongoing operation via a bus telegram.
Switching on the temporary manual control
Operation using the button field is programmed and not disabled.
o Press the c button briefly.
LED A1 flashes, LED c remains off.
i After 5 seconds without a button-press, the actuator returns automatically to bus operation.
Deactivating temporary manual control
The device is in short-term manual mode.
o No button-press for 5 seconds.
- or -
o Press c button briefly as many time as necessary until the actuator leaves the short-time
manual mode.
Status LEDs A1...A8 no longer flash, but rather indicate the output status.
Heating/cooling outputs: When switching off the manual control, the outputs, depending on
the programming, switch to the active position, e.g. forced position.
Fan outputs: When switching off the manual control, the outputs, depending on the
programming, switch to the active position, e.g. forced position.
Switching outputs: When the manual operation is switched off, the output relays remain in
the current position.
Switching on permanent manual control
Operation using the button field is programmed and not disabled.
o Press the c button for at least 5 seconds.
LED c is illuminated, status LED A1 flashes, continuous manual mode is switched on.
Deactivating permanent manual control
The device is in continuous manual mode.
o Press the c button for at least 5 seconds.
LED c is off, bus operation is switched on.
Heating/cooling outputs: When switching off the manual control, the outputs, depending on
the programming, switch to the active position, e.g. forced position.
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Fan outputs: When switching off the manual control, the outputs, depending on the
programming, switch to the active position, e.g. forced position.
Switching outputs: When the manual operation is switched off, the output relays remain in
the current position.
Operating the outputs
In manual operation the relay outputs can be operated instantly. Depending on programming,
the switching of an output also influences additional outputs.
The device is in continuous or short-term manual mode.
o Press c button briefly, < 1 s, as many times as necessary until the desired output is
selected.
The LED of the selected output A1...A8 flashes.
The LEDs ON/n and OFF/o indicate the status.
o Operate output with ON/n or OFF/o button.
Heating/cooling outputs: Open or close valve.
Fan outputs: Set fan level.
Switching outputs: Switch on or switch off.
The selected output switches on or off.
The LEDs ON/n and OFF/o indicate the status.
i Depending on programming and the selected output, several outputs switch
simultaneously.
i Heating and cooling of a fan-coil output are never switched on simultaneously.
i At least the first fan level is active with the heating or cooling output.
i Short-term manual operation: After running through all of the outputs the device exits
manual mode after another brief press.
Switching off all outputs
The device is in continuous manual mode.
o Press the ALL OFF button.
All outputs are shut off.
Disabling individual outputs
The device is in continuous manual mode.
o Press c button briefly as many times as necessary until the desired output is selected.
The status LED of the selected output A1... flashes.
o Press ON/n and OFF/o buttons simultaneously for at least 5 seconds.
Selected output is disabled.
The status LED of the selected output A1... flashes quickly.
o Activate bus mode (see section Deactivating permanent manual control).
i A disabled output can be operated in permanent manual mode.
i If a disabled output is selected in manual control, the LEDs flash twice briefly with a time
interval.
Re-enabling outputs
The device is in continuous manual mode.
o Press c button briefly as many times as necessary until the desired output is selected.
The status LED of the selected output A1...A8 flashes twice briefly at time intervals.
o Press ON/n and OFF/o buttons simultaneously for at least 5 seconds.
Selected output is enabled.
LED of the selected output flashes slowly.
o Activate bus mode (see section Deactivating permanent manual control).
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5 Information for electrically skilled persons
5.1 Fitting and electrical connection
DANGER!
Electrical shock when live parts are touched.
Electrical shocks can be fatal.
Before carrying out work on the device or load, disengage all the
corresponding circuit breakers. Cover up live parts in the working environment.
Fitting the device
Observe the temperature range. Ensure sufficient cooling.
o Mount the device on DIN rail. Output terminals must be at the top.
Connecting the device
Note permitted loads.
i The assignment of the outputs depends on the configured operating mode (see table 1, 2
and 3).
Operating mode 1 2-pipe only heating
Operating mode 2 2-pipe only cooling
Operating mode 3 2-pipe Heating/cooling switch-over
object
Operating mode 4 4-pipe Heating/cooling switch-over
object
Operating mode 5 4-pipe Heating/cooling Setpoint command
value
Table 1: Operating modes
i Outputs not used for controlling fan levels can be used for simple switching. Please see
configuration data for the assignment of output terminals.
o Connect bus cable with connecting terminal (figure 3).
o Connect the mains power supply.
o Connect fan-coil-units to the outputs of the actuator in accordance with configuration.
o If multiple miniature circuit breakers supply dangerous voltages to the device or load,
couple the miniature circuit breakers or label them with a warning, to ensure release is
guaranteed.
i A fan-coil output with up to six fan levels: see connection example (figure 3). Information
regarding assignment of the outputs in (table 2), (figure 4) and (figure 5).
i Two fan-coil outputs with up to three fan levels each: see connection example (figure 6).
Information regarding assignment of the outputs in (table 3), (figure 7) and (figure 8).
i Please refer to the documentation of these devices for more details on connecting fan-coil
devices.
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Figure 3: Connection example – load connection for 1 fan-coil output
Operating mode A1 A2 A3...A8
1 Heating valve - Fan levels
2 Cooling valve - Fan levels
3 Heating/cooling valve - Fan levels
4 Cooling valve Heating valve Fan levels
5 Cooling valve Heating valve Fan levels
Table 2: Output assignment 1 fan-coil output
Figure 4: Single-channel fan levels for hierarchical switching – powered outputs
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Figure 5: Single-channel fan levels for individual switching – powered outputs
Figure 6: Connection example – load connection for 2 fan-coil outputs
Operating mode A1 / A5 A2-4 / A6-8
1 Heating valve Fan levels
2 Cooling valve Fan levels
3 Heating/cooling valve Fan levels
Table 3: Output assignment 2 fan-coil outputs
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Figure 7: Two-channel fan levels for hierarchical switching – powered outputs
Figure 8: Two-channel fan levels for individual switching – powered outputs
Installing the cover
It is necessary to install a cover to protect the bus connection against hazardous voltages in the
connection area.
Figure 9: Installing the cover
o Route the bus cable towards the rear.
o Install cover on top of the bus terminal so that it snaps into place (figure 9).
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Removing the cover
Figure 10: Removing the cover
o Press the cover to the side and pull it off (figure 10).
5.2 Commissioning
Load the address and the application software
o Switch on the bus voltage
o Assign physical address.
o Load the application software into the device.
o Note the physical address on the device label.
6 Appendix
6.1 Technical data
Supply
Rated voltage AC 230 / 240 V ~
Mains frequency 50 / 60 Hz
Power loss max. 3 W
Ambient conditions
Ambient temperature -5 ... +45 °C
Storage/transport temperature -25 ... +70 °C
Outputs
Contact type µ contact, potential-free NO contact
Switching voltage AC 250 V ~
Switching current AC1 10 A
Switching current AC3 10 A
Loads per output
Ohmic load 2300 W
Capacitive load 10 A max. 140 µF
Motors 1380 VA
Switch-on current 200 µs max. 800 A
Switch-on current 20 ms max. 165 A
Lamp loads
Incandescent lamps 2300 W
HV halogen lamps 2300 W
LV halogen lamps with Tronic transformer 1500 W
LV halogen lamps with inductive transformer 1200 VA
Fluorescent lamps T5/T8
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uncompensated 1000 W
parallel compensated 1160 W (140 µF)
Duo circuit 2300 W (140 µF)
Compact fluorescent lamps
uncompensated 1000 W
parallel compensated 1160 W (140 µF)
Mercury vapour lamps
uncompensated 1000 W
parallel compensated 1160 W (140 µF)
Connections supply and load
Connection mode Screw terminal
Single stranded 0.5 ... 4 mm²
finely stranded without conductor sleeve 0.5 ... 4 mm²
finely stranded with conductor sleeve 0.5 ... 2.5 mm²
Fitting width 72 mm / 4 modules
Weight approx. 290 g
KNX
KNX medium TP 1
Commissioning mode S-mode
Rated voltage KNX DC 21 ... 32 V SELV
Power consumption KNX typical 150 mW
Connection type for bus Connection terminal
6.2 Troubleshooting
Manual control with button field not possible
Cause 1: Manual control has not been programmed.
Program manual control.
Cause 2: Manual control via bus disabled.
Enable manual control.
Cause 3: No mains voltage.
Switch on mains voltage. Check fuse
Output cannot be operated.
Cause: Output is disabled.
Cancel disabling.
None of the outputs can be operated.
Cause 1: All of the outputs are disabled-
Cancel disabling.
Cause 2: Continuous manual mode is active.
Deactivate manual mode (see chapter "Switch off continuous manual mode").
Cause 3: Application software has been stopped, programming LED is flashing.
Perform reset: Disconnect device from bus, switch on again after 5 seconds.
Operation via bus is not possible
Cause 1: No bus voltage.
Switch on bus voltage, have installation checked by electrician.
Cause 2: Application software has been stopped, programming LED is flashing.
Perform reset: Disconnect device from bus, switch on again after 5 seconds.
Cause 3: No application software or faulty application software loaded.
Check programming and correct.
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6.3 Accessories
Connection cover Art.-No.: 2050 K
6.4 Warranty
We reserve the right to make technical and formal changes to the product in the interest of
technical progress.
We provide a warranty as provided for by law.
Please send the unit postage-free with a description of the defect to our central customer
service office:
ALBRECHT JUNG GMBH & CO. KG
Service Center
Kupferstr. 17-19
D-44532 Lünen
Service-Line: +49 (0) 23 55 . 80 65 51
Telefax: +49 (0) 23 55 . 80 61 89
General equipment
Service-Line: +49 (0) 23 55 . 80 65 55
Telefax: +49 (0) 23 55 . 80 62 55
KNX equipment
Service-Line: +49 (0) 23 55 . 80 65 56
Telefax: +49 (0) 23 55 . 80 62 55
The Πsymbol is a free trade symbol, which is solely intended for the authorities and does not
guarantee any properties.
ALBRECHT JUNG GMBH & CO. KG
Volmestraße 1
D-58579 Schalksmühle
Telefon: +49.23 55.8 06-0
Telefax: +49.23 55.8 06-1 89
E-mail: [email protected]
Internet: www.jung.de
www.jung-katalog.de
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